.btn {
    position: absolute;
    right: 20px;
    top: 20px;
    z-index: 100;
    width: 100px;
    text-align: right;
}
.btn > .i-font {
    font-size: 16px;
    color: #9ba4ad;
    margin-left: 4px;
    &:hover { color: #68aaf5; }
    &.z-dis { color: #ccc; }
}
.refreshIcon, .zoomIcon {
    position: absolute;
    top: -15px;
    font-size: 16px;
    margin-bottom: 6px;
    color: #9ba4ad;
}
.refreshIcon:hover, .zoomIcon:hover {
    color: #68aaf5;
    cursor: pointer;
}
.refreshIcon {
    left: 75px;
}
.refreshIcon::after {
    icon-font: url('../assets/svg/chart-refresh.svg');
}
.zoomIcon::after {
    icon-font: url('../assets/svg/chart-zoom.svg');
}
/*------------------ 安全服务页面 ----------------------*/
.btn-security {
    top: 5px;
    right: 0;
}